<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Drag timeline</title>
	<script src="../../codebase/dhtmlxgantt.js?v=7.0.7"></script>
	<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
	<link rel="stylesheet" href="../common/controls_styles.css?v=7.0.7">
	<link rel="stylesheet" href="../../codebase/dhtmlxgantt.css?v=7.0.7">

	<script src="../common/resource_construction_materials.js?v=7.0.7"></script>
	<style>
		html, body {
			padding: 0px;
			margin: 0px;
			height: 100%;
		}

		#gantt_here {
			width:100%;
			height: calc(100vh - 52px);
		}

		.gantt_grid_scale .gantt_grid_head_cell,
		.gantt_task .gantt_task_scale .gantt_scale_cell {
			font-weight: bold;
			font-size: 14px;
			color: rgba(0, 0, 0, 0.7);
		}

		.resource_marker{
			text-align: center;
		}
		.resource_marker div{
			width: 28px;
			height: 28px;
			line-height: 29px;
			display: inline-block;

			color: #FFF;
			margin: 3px;
		}
		.resource_marker.workday_ok div {
			border-radius: 15px;
			background: #51c185;
		}

		.resource_marker.workday_over div{
			border-radius: 3px;
			background: #ff8686;
		}

		.folder_row {
			font-weight: bold;
		}

		.gantt_task_cell.week_end {
			background-color: #e8e8e87d;
		}

		.gantt_task_row.gantt_selected .gantt_task_cell.week_end {
			background-color: #e8e8e87d !important;
		}


		.group_row,
		.group_row.odd,
		.gantt_task_row.group_row{
			background-color: rgba(232, 232, 232, 0.6);
		}

		.owner-label{
			width: 20px;
			height: 20px;
			line-height: 20px;
			font-size: 12px;
			display: inline-block;
			border: 1px solid #cccccc;
			border-radius: 25px;
			background: #e6e6e6;
			color: #6f6f6f;
			margin: 0 3px;
			font-weight: bold;
		}

		.filters_wrapper {
			font: 600 14px Roboto;
		}

		.filters_wrapper span {
			font-weight: bold;
			padding-right: 5px;
			color: rgba(0,0,0,0.7);
		}

		.filters_wrapper label {
			padding-right: 3px;
		}

		.gantt_control{
			width: 100%;
		}

	</style>
</head>
<body>
	<div class="gantt_control">
		<div class="filters_wrapper" id="filters_wrapper">
			<span>Drag timeline:</span>
			<label class="checked_label">Enable <input type="checkbox" id="enableTimelineDnd" checked><i class="material-icons icon_color">check_box</i></label>
			<label class="checked_label">Require control key to drag <input type="checkbox" id="ctrlDragTimeline"><i class="material-icons">check_box_outline_blank</i></label>
		</div>
	</div>
	<div id="gantt_here"></div>
	<script>

		gantt.plugins({
			drag_timeline: true
		});

		gantt.message({
			text:"Use mouse drag and drop to scroll the timeline",
			expire: 15000
		})

		var gantt_control = document.querySelector(".gantt_control");
		gantt_control.addEventListener("change", function(e) {
			
			
			updIcon(e.target);

			var enabled = enableTimelineDnd.checked;
			var requireCtrlKey = ctrlDragTimeline.checked;
			if(!enabled){
				gantt.config.drag_timeline = null;
			}else{
				if(requireCtrlKey){
					gantt.config.drag_timeline = {
						ignore: "",
						useKey: "ctrlKey"
					};
				}else {
					gantt.config.drag_timeline = {
						ignore:".gantt_task_line, .gantt_task_link",
						useKey: false
					};
				}
			}
			
		});
		gantt.config.drag_timeline = {
			ignore:".gantt_task_line, .gantt_task_link",
			useKey: false
		};

		function updIcon(el) {
			el.parentElement.classList.toggle("checked_label");

			var iconEl = el.parentElement.querySelector("i"),
				checked = "check_box",
				unchecked = "check_box_outline_blank",
				className = "icon_color";

			iconEl.textContent = iconEl.textContent==checked?unchecked:checked;
			iconEl.classList.toggle(className);
		}
		gantt.config.date_format = "%Y-%m-%d %H:%i:%s";

		gantt.templates.grid_row_class = function(start, end, task){
			var css = [];
			if(gantt.hasChild(task.id)){
				css.push("folder_row");
			}

			if(task.$virtual){
				css.push("group_row")
			}

			return css.join(" ");
		};

		gantt.templates.task_row_class = function(start, end, task){
			return "";
		};

		gantt.templates.timeline_cell_class = function (task, date) {
			if (!gantt.isWorkTime({date: date, task: task}))
				return "week_end";
			return "";
		};

		gantt.templates.resource_cell_class = function(start_date, end_date, resource, tasks){
			var css = [];
			css.push("resource_marker");
			if (tasks.length <= 1) {
				css.push("workday_ok");
			} else {
				css.push("workday_over");
			}
			return css.join(" ");
		};

		gantt.templates.resource_cell_value = function(start_date, end_date, resource, tasks){
			var result = 0;
			tasks.forEach(function(item) {
				var assignments = gantt.getResourceAssignments(resource.id, item.id);
				assignments.forEach(function(assignment){
					var task = gantt.getTask(assignment.task_id);
					if(resource.type == "work"){
						result += assignment.value * 1;
					}else{
						result += assignment.value / (task.duration || 1);
					}
				});
			});

			if(result % 1){
				result = Math.round(result * 10)/10;
			}
			return "<div>" + result + "</div>";
		};
		var resourceTemplates = {
			grid_row_class: function(start, end, resource){
				var css = [];
				if(gantt.$resourcesStore.hasChild(resource.id)){
					css.push("folder_row");
					css.push("group_row");
				}

				return css.join(" ");
			},
			task_row_class: function(start, end, resource){
				var css = [];

				if(gantt.$resourcesStore.hasChild(resource.id)){
					css.push("group_row");
				}

				return css.join(" ");

			}
		};

		gantt.locale.labels.section_resources = "Resources";
		gantt.config.lightbox.sections = [
			{name: "description", height: 38, map_to: "text", type: "textarea", focus: true},
			{name: "resources", type: "resources", map_to: "resources", options: gantt.serverList("people")},
			{name: "time", type: "duration", map_to: "auto"}
		];

		var resourceConfig = {
			scale_height: 30,
			scales: [
				{unit: "day", step: 1, date: "%d %M"}
			],
			columns: [
				{
					name: "name", label: "Name", tree:true, width:250, template: function (resource) {
						return resource.text;
					}, resize: true
				},
				{
					name: "allocated", label: "Allocated", align:"left", width:100, template: function (resource) {
						var assignments = gantt.getResourceAssignments(resource.id);
						var result = 0;
						assignments.forEach(function(assignment){
							var task = gantt.getTask(assignment.task_id);
							if(resource.type == "work"){
								result += task.duration * assignment.value;
							}else{
								result += assignment.value * 1;
							}
						});

						if(resource.type == "work"){
							result = "<b>" +result +  "</b> hours";
						}else{
							result = "<b>" +result + "</b> " + resource.unit;
						}

						return result;
					}, resize: true
				}
			]
		};

		gantt.config.scales = [
			{unit: "month", step: 1, format: "%F, %Y"},
			{unit: "day", step: 1, format: "%d %M"}
		];

		gantt.config.auto_scheduling = true;
		gantt.config.auto_scheduling_strict = true;
		gantt.config.work_time = true;
		gantt.config.columns = [
			{name: "text", tree: true, width: 320, resize: true},
			{name: "start_date", align: "center", width: 80, resize: true},
			{name: "resources", align: "center", width: 80, label: "Resources", resize: true,
				template: function (task) {
					if (task.type == gantt.config.types.project) {
						return "";
					}

					var result = "";
					var store = gantt.getDatastore("resource");
					var assignments = task[gantt.config.resource_property];

					if (!assignments || !assignments.length) {
						return "";
					}

					if(assignments.length == 1){
						return store.getItem(assignments[0].resource_id).text.split(",")[0];
					}

					assignments.forEach(function(assignment) {
						var resource = store.getItem(assignment.resource_id);
						if (!resource)
							return;
						result += "<div class='owner-label' title='" + resource.text + "'>" + resource.text.substr(0, 1) + "</div>";

					});

					return result;
				}
			},
			{name: "duration", width: 60, align: "center", resize: true},
			{name: "add", width: 44}
		];

		gantt.config.resource_store = "resource";
		gantt.config.resource_property = "resources";
		gantt.config.order_branch = true;
		gantt.config.open_tree_initially = true;
		gantt.config.scale_height = 50;
		gantt.config.layout = {
			css: "gantt_container",
			rows: [
				{
					gravity: 2,
					cols: [
						{view: "grid", group:"grids", scrollY: "scrollVer"},
						{resizer: true, width: 1},
						{view: "timeline", scrollX: "scrollHor", scrollY: "scrollVer"},
						{view: "scrollbar", id: "scrollVer", group:"vertical"}
					]
				},
				{ resizer: true, width: 1, next: "resources"},
				{
					height: 35,
					cols: [
						{ html:"", group:"grids"},
						{ resizer: true, width: 1},
						{ html:""}
					]
				},
				{
					gravity:1,
					id: "resources",
					config: resourceConfig,
					templates: resourceTemplates,
					cols: [
						{ view: "resourceGrid", group:"grids", scrollY: "resourceVScroll" },
						{ resizer: true, width: 1},
						{ view: "resourceTimeline", scrollX: "scrollHor", scrollY: "resourceVScroll"},
						{ view: "scrollbar", id: "resourceVScroll", group:"vertical"}
					]
				},
				{view: "scrollbar", id: "scrollHor"}
			]
		};

		gantt.$resourcesStore = gantt.createDatastore({
			name: gantt.config.resource_store,
			type: "treeDatastore",
			initItem: function (item) {
				item.parent = item.parent || gantt.config.root_id;
				item[gantt.config.resource_property] = item.parent;
				item.open = true;
				return item;
			}
		});


		gantt.$resourcesStore.attachEvent("onFilterItem", function(id, item) {
			return gantt.getResourceAssignments(id).length > 0;
		});

		gantt.init("gantt_here");

		gantt.$resourcesStore.attachEvent("onParse", function(){
			var people = [];
			gantt.$resourcesStore.eachItem(function(res){
				if(!gantt.$resourcesStore.hasChild(res.id)){
					var copy = gantt.copy(res);
					copy.key = res.id;
					copy.label = res.text;
					people.push(copy);
				}
			});
			gantt.updateCollection("people", people);
		});
		gantt.attachEvent("onParse", function(){
			gantt.render();
		});
		gantt.$resourcesStore.parse([
			{id: 1, text: "Anna, Architect", unit:"hours/day", default_value:8, type:"work"},
			{id: 2, text: "Finn, Construction worker", unit:"hours/day", default_value:8, type:"work"},
			{id: 3, text: "Jake, Construction worker", unit:"hours/day", default_value:8, type:"work"},
			{id: 4, text: "Floe, Plasterer", unit:"hours/day", default_value:8, type:"work"},
			{id: 5, text: "Tom, Plumber", unit:"hours/day", default_value:8, type:"work"},
			{id: 6, text: "Mike, Electrician", unit:"hours/day", default_value:8, type:"work"},
			{id: 7, text: "Joe, Handyman", unit:"hours/day", default_value:8, type:"work"},
			{id: 8, text: "Concrete", unit:"m3", default_value:1},
			{id: 9, text: "Blocks", unit:"m3", default_value:1},
			{id: 10, text: "Air conditioners", unit:"units", default_value:1},
			{id: 11, text: "Radiators", unit:"units", default_value:1},
			{id: 12, text: "Pipes", unit:"meters", default_value:5},
			{id: 13, text: "Wires", unit:"meters", default_value:10},
			{id: 14, text: "Paint", unit:"cans%", default_value:1}

		]);

		gantt.parse(taskData);
	</script>
</body>
</html>